492090405 has 64 divisors (see below), whose sum is σ = 886394880. Its totient is φ = 231897600.

The previous prime is 492090397. The next prime is 492090407. The reversal of 492090405 is 504090294.

It is not a de Polignac number, because 492090405 - 2³ = 492090397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492090407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 267840 + ... + 269670.

It is an arithmetic number, because the mean of its divisors is an integer number (13849920).

Almost surely, 2^492090405 is an apocalyptic number.

It is an amenable number.

492090405 is a deficient number, since it is larger than the sum of its proper divisors (394304475).

492090405 is a wasteful number, since it uses less digits than its factorization.

492090405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 492090405 is about 22183.1108052951. The cubic root of 492090405 is about 789.4930278219.

The spelling of 492090405 in words is "four hundred ninety-two million, ninety thousand, four hundred five".